diff --git a/tests/auto/corelib/kernel/qproperty/tst_qproperty.cpp b/tests/auto/corelib/kernel/qproperty/tst_qproperty.cpp
index a942165674f..5ac7b5fb518 100644
--- a/tests/auto/corelib/kernel/qproperty/tst_qproperty.cpp
+++ b/tests/auto/corelib/kernel/qproperty/tst_qproperty.cpp
@@ -1505,7 +1505,7 @@ void tst_QProperty::noDoubleCapture()
         return size.value();
     });
     auto bindingPriv = QPropertyBindingPrivate::get(max.binding());
-    QCOMPARE(bindingPriv->dependencyObserverCount, 1);
+    QCOMPARE(bindingPriv->dependencyObserverCount, 1U);
     size = 4; // should not crash
     QCOMPARE(max.value(), 4);
 }